D35a —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.e3
Eval: [+0.03]
Les coups candidats
4…Be7 — 30.7% (1810 parties)
Ambassadeurs : Czaus, Piotr (6x), Ruckschloss, Karol (5x), Analiev, Dimitar (5x), Belchev, Branimir Petrov (5x), Konecny, Vladimir (4x), Ahues, Carl (3x), Reshevsky, Samuel (3x), Mueller, Herbert (3x)
Ambassadeurs : Buechler, Franz (3x), Unger, Eva (3x), Krys, Jaromir (3x), Doluhanova, Evgeniya (3x), Herzel, Alois, Dr. (3x), Jahr, Dieter (3x), Turk, Tajana (3x), Fanckin, Murilo (3x)
4…c5 — 14.2% (836 parties)
Ambassadeurs : Staunton, Howard (5x), Saint Amant, Pierre C (5x), Berger, Johann (4x), Williams, Elijah J (3x), Calvo Muro, Roberto (3x), Baez, Jorge Luis (3x), Larsen, Scott (3x), Anderssen, Adolf (2x)
4…Bb4 — 10.8% (639 parties)
Ambassadeurs : Saleh Faisal (3x), Schnoewitz, Brigitte (3x), Schulmeister (2x), Palatz (2x), Pachman, Ludek (2x), Vann, Monica S (2x), Wiebke, Elfriede (2x), Probsthain, Hanna Luise (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be7 4…c6 4…c5 4…Bb4
<1800 594 33% 23% 13% 10%
1800-2200 2092 35% 26% 13% 6%
2200-2600 283 33% 22% 17% 4%
2600+ 5 40% 40% 20%
Évolution par décennie (% des parties)
Décennie N parties 4…Be7 4…c6 4…c5 4…Bb4
1840s 13 15% 85%
1850s 17 29% 59% 6%
1860s 2 100%
1870s 10 30% 10% 40% 20%
1880s 14 21% 36% 14%
1890s 28 21% 7% 29%
1900s 26 19% 4% 31% 8%
1910s 6 50% 50%
1920s 13 31% 8% 31%
1930s 25 32% 12% 24% 12%
1940s 18 22% 6% 28%
1950s 57 11% 28% 23% 7%
1960s 56 18% 25% 30% 5%
1970s 61 31% 13% 18% 11%
1980s 116 32% 18% 15% 18%
1990s 985 28% 22% 15% 12%
2000s 2218 30% 23% 12% 12%
2010s 1985 33% 23% 14% 9%
2020s 251 35% 23% 14% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be7 33% 35% ▲ +1.3%
4…c6 23% 23% -0.1%
4…c5 14% 14% -0.2%
4…Bb4 9% 9% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Steinitz, Wilhelm — 4 parties
Karpov, Aleksandr — 2 parties
Lasker, Emanuel — 1 partie
Euwe, Max — 1 partie
Alekhine, Alexander — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
4…Be7 — 30.7% (1810 parties)
1851 — Emma Iniya Williams R vs Staunton, Howard — 1-0 — London ENG
1854 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1-0 — Calcutta IND
1854 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1/2-1/2 — Calcutta IND
1857 — Raphael, Benjamin vs Kennicott, Hiram — 1/2-1/2 — New York, NY USA
1857 — Fiske, Douglas E vs Marache, Hugo — 1-0 — New York, NY USA
4…c6 — 22.1% (1307 parties)
1849 — Kennedy, Hugh A vs Loewe, Edward — 1-0 — London ENG
1849 — Medley, George vs Bird, Henry — 1-0 — London ENG
1879 — Loyd, Samuel vs Delmar, Eugene — 1-0 — New York, NY USA
1891 — Halpern, Jacob vs Kemeny, Emil — 0-1 — New York, NY USA
1894 — Beratende vs Chigorin, M. — 0-1 — St Petersburg RUS
4…c5 — 14.2% (836 parties)
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1/2-1/2 — Paris FRA
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1/2-1/2 — Paris FRA
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1-0 — ?
1843 — Saint Amant, Pierre C vs Staunton, Leo — 1-0 — Europe
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1-0 — Paris FRA
4…Bb4 — 10.8% (639 parties)
1854 — Cochrane, John Miles vs Bonnerjee, Mohishunder — 1/2-1/2 — Calcutta IND
1870 — Minckwitz, Johannes vs Winawer, Szymon — 0-1 — Baden-Baden GER
1874 — May, Thomas Hughes D vs Plunkett, Horace Curzon — 1/2-1/2 — City of London CC
1883 — MacDonnell, George vs Gossip, George — 0-1 — London ENG
1888 — Tullidge, William vs Crane, William — 1/2-1/2 — Melbourne AUS